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本试验运用五元二次回归正交旋转组合设计,对影响马铃薯生产的密度、农肥、N 肥、P 肥及 K 肥五项主要因素进行试验。建立鲜薯产量等六项目标函数数学模型,明确了影响鲜薯产量的主要因素为:N肥、农肥和密度。密度与 N 肥、农肥与 N肥、农肥与 K 肥、N 肥与 P 肥对鲜薯产量有明显的交互作用。同时找出了实现高产、优质、低耗和不同鲜薯产量水平的农艺组合方案。
In this experiment, five-element quadratic regression orthogonal rotation combination design was used to test the five major factors affecting the density, fertilizer, N fertilizer, P fertilizer and K fertilizer of potato production. The mathematical model of six objective functions such as fresh potato yield was established. The main factors affecting the yield of fresh potato were defined as N fertilizer, fertilizer and density. The density and N fertilizer, fertilizer and N fertilizer, fertilizer and K fertilizer, N fertilizer and P fertilizer on the yield of fresh produce a significant interaction. At the same time, the agrochemical combination scheme of high yield, high quality, low consumption and different fresh potato yield was found out.